package com.yinhe.web.controller.common;

import java.io.File;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.yinhe.common.core.domain.entity.SysUser;
import com.yinhe.common.core.domain.model.LoginUser;
import com.yinhe.system.domain.YhFileVerify;
import com.yinhe.system.service.IYhFileVerifyService;
import com.yinhe.web.controller.tool.MD5Utils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.yinhe.common.config.YinHeConfig;
import com.yinhe.common.constant.Constants;
import com.yinhe.common.core.domain.AjaxResult;
import com.yinhe.common.utils.StringUtils;
import com.yinhe.common.utils.file.FileUploadUtils;
import com.yinhe.common.utils.file.FileUtils;
import com.yinhe.framework.config.ServerConfig;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
import javax.servlet.http.HttpServletResponse;
import static com.yinhe.common.utils.SecurityUtils.getLoginUser;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.util.List;
/**
 * 通用请求处理
 * 
 * @author yinhe
 */
@RestController
@RequestMapping("/common")
public class CommonController
{
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;
    @Autowired
    private IYhFileVerifyService yhFileVerifyService;

    private static final String FILE_DELIMETER = ",";

    /**
     * 通用下载请求
     * 
     * @param fileName 文件名称
     * @param delete 是否删除
     */
    @GetMapping("/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
    {
        try
        {
            if (!FileUtils.checkAllowDownload(fileName))
            {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = YinHeConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete)
            {
                FileUtils.deleteFile(filePath);
            }
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求（单个）
     */
    @PostMapping("/upload")
    public AjaxResult uploadFile(MultipartFile file) throws Exception,UnsupportedEncodingException, FileNotFoundException
    {
        try
        {
            // 上传文件路径
            String filePath = YinHeConfig.getUploadPath();
            String filePathq = YinHeConfig.getProfile();

            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            System.out.println(file.getOriginalFilename()+"ming");
            String url = serverConfig.getUrl() + fileName;
            System.out.println(fileName+"fileName");
            System.out.println(filePathq+"filePathq");
            AjaxResult ajax = AjaxResult.success();
            ajax.put("url", url);
            System.out.println(url+"url");
            ajax.put("fileName", fileName);
            ajax.put("newFileName", FileUtils.getName(fileName));
            ajax.put("originalFilename", file.getOriginalFilename());
            System.out.println(file.getOriginalFilename()+"898989");
           // String path=filePathq.substring(0,58)+"/file"+fileName.substring(8);
            String path=filePathq+fileName.substring(8);
            System.out.println(path+"8888");
            // 获取当前登录用户
            LoginUser loginUser = getLoginUser();
            SysUser sysUser = loginUser.getUser();



/*

            YhFileVerify yhFileVerify=new YhFileVerify();
            yhFileVerify.setDeptId(String.valueOf(sysUser.getDeptId()));
            yhFileVerify.setUserId(String.valueOf(sysUser.getUserId()));
            yhFileVerify.setFilepath("/");
            yhFileVerify.setFilename(file.getOriginalFilename());
            yhFileVerify.setChunkNumber(String.valueOf(1));
            yhFileVerify.setRelativePath(file.getOriginalFilename());
            yhFileVerify.setTotalChunks(Long.valueOf(1));
            yhFileVerify.setCurrentChunkSize(Long.valueOf(3000));
            yhFileVerify.setTotalSize(Long.valueOf(3000));
            yhFileVerify.setChunkSize(Long.valueOf(3000));
            yhFileVerify.setFileVerifyStatus(String.valueOf(0));
            yhFileVerify.setIdentifier(MD5Utils.generateMD5(fileName));
            yhFileVerify.setUsername(loginUser.getUser().getNickName());
            yhFileVerify.setNote1(path);
            if(fileName.contains("pdf")){
                yhFileVerify.setNote2(fileName);
            }else{
                yhFileVerify.setNote3(fileName);
            }

              Integer i = yhFileVerifyService.insertYhFileVerify(yhFileVerify);
            System.out.println(i);
*/



            return ajax;




        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 通用上传请求（多个）
     */
    @PostMapping("/uploads")
    public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception
    {
        try
        {
            // 上传文件路径
            String filePath = YinHeConfig.getUploadPath();
            List<String> urls = new ArrayList<String>();
            List<String> fileNames = new ArrayList<String>();
            List<String> newFileNames = new ArrayList<String>();
            List<String> originalFilenames = new ArrayList<String>();
            for (MultipartFile file : files)
            {
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(filePath, file);
                String url = serverConfig.getUrl() + fileName;
                urls.add(url);
                fileNames.add(fileName);
                newFileNames.add(FileUtils.getName(fileName));
                originalFilenames.add(file.getOriginalFilename());
            }
            AjaxResult ajax = AjaxResult.success();
            ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
            ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
            ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
            ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
            return ajax;
        }
        catch (Exception e)
        {
            return AjaxResult.error(e.getMessage());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception
    {
        try
        {
            if (!FileUtils.checkAllowDownload(resource))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = YinHeConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        }
        catch (Exception e)
        {
            log.error("下载文件失败", e);
        }
    }
}
